cruz challenged feinstein on the constitution and feinstein hit hard back. let's take a look. >> the question that i would pose to the senior senator from california is would she deem it consistent with the bill of rights for congress to engage in the same endeavor that we are contemplating doing with the second amendment in the context of the first or fourth amendment? namely would she consider it constitutional for congress to specify that the first amendment shall apply only to the following books? and she'll not apply to the books that congress has deemed outside the protection of the bill of rights. >> i'm not a sixth grader. senator, i've been on this committee for 20 years. i was a mayor for nine years. i walked in. i saw people shot. i've looked at bodies that have been shot with these weapons. i've seen the bullets that implode. in sandy hook, youngsters were dismembered. it's fine you want to lecture me on the constitution. i appreciate it. just know i've been here for a long time. i've passed on a number of bills. i studied the constitution, mysel